Asterisk Vs Cisco / Avaya Voip Telephone Systems
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Asterisk Vs Cisco / Avaya Voip Telephone Systems
VoIP or Voice Over IP, the most recent in wireless communication operates by taking the telephone call, changing from analog to digital signals and transmitting these signals over an IP network or broadband and lastly terminating it with a PSTN. Call charges are reduced using this technology. The advantage is always that software emulating a telephone can be loaded on the laptop thereby making it possible to access its services whilst you travel.
VoIP uses SIP (Session Initiation Protocol), a peer-to-peer technology that enables computers to speak with each other without having calls routed through some central station. Therefore, calling derived from one of SIP enabled phone to a different cuts call charges drastically.
The Asterisk System comes with a Asterisk server which manages things such as teleconferencing, voice mails, queues and hold music. The hard phone is often a digital phone which includes an Ethernet jack to talk with the server while using SIP protocol. They, such as the wireless version, are certainly not very expensive. The soft phone are implemented in software and might be attached to a PC. Asterisk runs predominantly on Linux, an empty source main system.
Cisco has telephony solutions which might be network based and run on a router. They are scalable and are very effective in multi-user environments in mulitple locations. The UC500 suite can be a bundle of services like router, switches, security, telephony and wireless functionality within a device. This greatly reduces costs for an organization which is considering these services. The Cisco CallManager Express uses SIP to get in touch phones with the Internet and also has the characteristics of UC 500 rendering it more viable for medium scale businesses. Additonal features are paging, intercom, ICMP and class of restrictions on a users calls.
Avaya IP Office uses IP technology to provide voice and data communication, messaging and customer management over multiple locations with 2 to 300 people. It enables you to work everywhere, host conferences, integrate applications, measure and improve customer happiness at the touch of your mouse. It is affordable as it lowers long-distance calls, conferencing fees, supports remote workers and helps keep your business collaborated and up-to-date.
The three products could be compared in line with the following few criteria:
* Number of extensions: Asterix is capable of supporting upto 100 extensions while Cisco and Avaya may go upto 360 extensions thereby suporting large organizations also. This improves the scalability so helping to reduce costs in the end.
* Freeware: Asterisk is freeware and runs with a Linux server. This makes the telephony solution less expensive than either Cisco or Avaya which can make extensive usage of routers and switches for communication.
* Installation and maintenance: Asterisk is really a programmers dream because it is open source and may be changed at his will. However, with an end-user, it can be a nightmare. Support and services are better with Cisco and Avaya that are established names in the marketplace.
The main thing opting for Asterisk is your money. However, it's not always preferable to look in the initial price of things. Other criteria like scalability, integrating of 1 device online websites already existing, interoperatability and long term costing is highly recommended while choosing one product over another.
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